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        data-chapter-title="虚拟环境"
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        <li class="chapter " data-level="0" data-path="index.html">
            
                
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                        Flask框架
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                            <b>1.</b>
                        
                        视图及路由
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                            <b>1.1.</b>
                        
                        Flask简介
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                            <b>1.2.</b>
                        
                        虚拟环境
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                            <b>1.3.</b>
                        
                        HelloWorld
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                            <b>1.4.</b>
                        
                        相关配置参数
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                            <b>1.5.</b>
                        
                        路由基本定义
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                            <b>1.6.</b>
                        
                        视图常用逻辑
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                            <b>1.7.</b>
                        
                        正则匹配路由
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                            <b>1.8.</b>
                        
                        异常捕获
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                            <b>1.9.</b>
                        
                        请求勾子
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                            <b>1.10.</b>
                        
                        装饰器路由具体实现
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                            <b>1.11.</b>
                        
                        获取请求参数
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                            <b>1.12.</b>
                        
                        状态保持
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                            <b>1.12.1.</b>
                        
                        Cookie
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                            <b>1.12.2.</b>
                        
                        Session
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        <li class="chapter " data-level="1.13" data-path="shi-tu-ji-lu-you/shang-xia-wen.html">
            
                
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                            <b>1.13.</b>
                        
                        上下文
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                            <b>1.14.</b>
                        
                        Flask-Script
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                            <b>2.</b>
                        
                        模板
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                            <b>2.1.</b>
                        
                        Jinja2简介
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                            <b>2.2.</b>
                        
                        模板的使用
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                            <b>2.3.</b>
                        
                        过滤器
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        <li class="chapter " data-level="2.4" data-path="mo-ban/zi-ding-yi-guo-lv-qi.html">
            
                
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                            <b>2.4.</b>
                        
                        自定义过滤器
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                            <b>2.5.</b>
                        
                        控制代码块
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        <li class="chapter " data-level="2.6" data-path="mo-ban/mo-ban-dai-ma-fu-yong.html">
            
                
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                            <b>2.6.</b>
                        
                        模板代码复用
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        <li class="chapter " data-level="2.6.1" data-path="mo-ban/mo-ban-dai-ma-fu-yong/hong.html">
            
                
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                            <b>2.6.1.</b>
                        
                        宏
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        <li class="chapter " data-level="2.6.2" data-path="mo-ban/mo-ban-dai-ma-fu-yong/ji-cheng.html">
            
                
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                            <b>2.6.2.</b>
                        
                        继承
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                            <b>2.6.3.</b>
                        
                        包含
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        <li class="chapter " data-level="2.7" data-path="mo-ban/te-you-bian-liang-he-han-shu.html">
            
                
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                            <b>2.7.</b>
                        
                        特有变量和函数
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                            <b>2.8.</b>
                        
                        Flask-WTF表单
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                            <b>2.9.</b>
                        
                        CSRF
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                            <b>3.</b>
                        
                        数据库
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                            <b>3.1.</b>
                        
                        ORM
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                            <b>3.2.</b>
                        
                        Flask-SQLAlchemy安装及配置
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        <li class="chapter " data-level="3.3" data-path="shu-ju-ku/shu-ju-ku-de-ji-ben-cao-zuo.html">
            
                
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                            <b>3.3.</b>
                        
                        数据库的基本操作
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                            <b>3.4.</b>
                        
                        综合案例-图书管理
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                            <b>3.4.1.</b>
                        
                        定义模型
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                            <b>3.4.2.</b>
                        
                        数据库表创建&amp;测试数据添加
                    </a>
            
            
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                    <a href="../shu-ju-ku/zong-he-an-4f8b-tu-shu-guan-li/shu-ju-xian-793a26-biao-dan-tian-jia.html">
                
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                            <b>3.4.3.</b>
                        
                        数据显示&amp;表单添加
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                            <b>3.4.4.</b>
                        
                        表单验证
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                            <b>3.4.5.</b>
                        
                        删除数据
                    </a>
            
            
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        <li class="chapter " data-level="3.5" data-path="shu-ju-ku/duo-dui-duo-yan-lian.html">
            
                
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                            <b>3.5.</b>
                        
                        多对多演练
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        <li class="chapter " data-level="3.6" data-path="shu-ju-ku/shu-ju-ku-qian-yi.html">
            
                
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                            <b>3.6.</b>
                        
                        数据库迁移
                    </a>
            
            
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        <li class="chapter " data-level="3.7" data-path="shu-ju-ku/qi-ta.html">
            
                
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                            <b>3.7.</b>
                        
                        信号机制
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        <li class="chapter " data-level="3.8" data-path="shu-ju-ku/chang-jian-guan-xi-mo-ban-dai-ma.html">
            
                
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                            <b>3.8.</b>
                        
                        常见关系模板代码
                    </a>
            
            
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        <li class="chapter " data-level="4" data-path="lan-tu-dan-yuan-ce-shi.html">
            
                
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                            <b>4.</b>
                        
                        蓝图&amp;单元测试
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        <li class="chapter " data-level="4.1" data-path="lan-tu-dan-yuan-ce-shi/lan-tu.html">
            
                
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                            <b>4.1.</b>
                        
                        蓝图
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        <li class="chapter " data-level="4.2" data-path="lan-tu-dan-yuan-ce-shi/dan-yuan-ce-shi.html">
            
                
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                            <b>4.2.</b>
                        
                        单元测试
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<ul>
<li>&#x5728;&#x5F00;&#x53D1;&#x8FC7;&#x7A0B;&#x4E2D;, &#x5F53;&#x9700;&#x8981;&#x4F7F;&#x7528;<code>python</code>&#x7684;&#x67D0;&#x4E9B;&#x5DE5;&#x5177;&#x5305;/&#x6846;&#x67B6;&#x65F6;&#x9700;&#x8981;&#x8054;&#x7F51;&#x5B89;&#x88C5;<ul>
<li>&#x6BD4;&#x5982;&#x8054;&#x7F51;&#x5B89;&#x88C5;Flask&#x6846;&#x67B6;<code>flask</code>&#x7248;&#x672C;</li>
</ul>
</li>
</ul>
<pre><code>pip install flask
</code></pre><ul>
<li><strong>&#x95EE;&#x9898;</strong>&#xFF1A;&#x5982;&#x679C;&#x5728;&#x4E00;&#x53F0;&#x7535;&#x8111;&#x4E0A;, &#x60F3;&#x5F00;&#x53D1;&#x591A;&#x4E2A;&#x4E0D;&#x540C;&#x7684;&#x9879;&#x76EE;, &#x9700;&#x8981;&#x7528;&#x5230;&#x540C;&#x4E00;&#x4E2A;&#x5305;&#x7684;&#x4E0D;&#x540C;&#x7248;&#x672C;, &#x5982;&#x679C;&#x4F7F;&#x7528;&#x4E0A;&#x9762;&#x7684;&#x547D;&#x4EE4;, &#x5728;&#x540C;&#x4E00;&#x4E2A;&#x76EE;&#x5F55;&#x4E0B;&#x5B89;&#x88C5;&#x6216;&#x8005;&#x66F4;&#x65B0;, &#x65B0;&#x7248;&#x672C;&#x4F1A;&#x8986;&#x76D6;&#x4EE5;&#x524D;&#x7684;&#x7248;&#x672C;, &#x5176;&#x5B83;&#x7684;&#x9879;&#x76EE;&#x5C31;&#x65E0;&#x6CD5;&#x8FD0;&#x884C;&#x4E86;.</li>
<li><strong>&#x89E3;&#x51B3;&#x65B9;&#x6848;</strong> : <code>&#x865A;&#x62DF;&#x73AF;&#x5883;</code><ul>
<li><strong>&#x4F5C;&#x7528;</strong> : <code>&#x865A;&#x62DF;&#x73AF;&#x5883;</code>&#x53EF;&#x4EE5;&#x642D;&#x5EFA;&#x72EC;&#x7ACB;&#x7684;<code>python&#x8FD0;&#x884C;&#x73AF;&#x5883;</code>, &#x4F7F;&#x5F97;&#x5355;&#x4E2A;&#x9879;&#x76EE;&#x7684;&#x8FD0;&#x884C;&#x73AF;&#x5883;&#x4E0E;&#x5176;&#x5B83;&#x9879;&#x76EE;&#x4E92;&#x4E0D;&#x5F71;&#x54CD;.</li>
<li>&#x6240;&#x6709;&#x7684;<code>&#x865A;&#x62DF;&#x73AF;&#x5883;</code>&#x90FD;&#x4F4D;&#x4E8E;<code>/home/</code>&#x4E0B;&#x7684;&#x9690;&#x85CF;&#x76EE;&#x5F55;<code>.virtualenvs</code>&#x4E0B;</li>
</ul>
</li>
</ul>
<h2 id="&#x5982;&#x4F55;&#x642D;&#x5EFA;&#x865A;&#x62DF;&#x73AF;&#x5883;">&#x5982;&#x4F55;&#x642D;&#x5EFA;&#x865A;&#x62DF;&#x73AF;&#x5883;?</h2>
<ul>
<li>Windows安装虚拟环境的命令 :</li>
</ul>
<pre><code>pip install virtualenv
pip install virtualenvwrapper-win
</code></pre><blockquote>
<p>Ubuntu系统安装完虚拟环境后，如果提示找不到mkvirtualenv命令，须配置环境变量：</p>
</blockquote>
<pre><code># 1&#x3001;&#x521B;&#x5EFA;&#x76EE;&#x5F55;&#x7528;&#x6765;&#x5B58;&#x653E;&#x865A;&#x62DF;&#x73AF;&#x5883;
mkdir 
$HOME/.virtualenvs

# 2&#x3001;&#x6253;&#x5F00;~/.bashrc&#x6587;&#x4EF6;&#xFF0C;&#x5E76;&#x6DFB;&#x52A0;&#x5982;&#x4E0B;&#xFF1A;
export WORKON_HOME=$HOME/.virtualenvs
source /usr/local/bin/virtualenvwrapper.sh

# 3&#x3001;&#x8FD0;&#x884C;
source ~/.bashrc
</code></pre><ul>
<li><p>Windows配置环境变量:</p>
<ul>
<li>我的电脑--->>属性--->>高级系统设置--->>环境变量--->>系统变量</li>
<pre><code>选择新建
变量名:WORKON_HOME
变量值:自己定义的虚拟环境目录
</code></pre></li>
<li><p>创建虚拟环境的命令 :</p>
<pre><code>mkvirtualenv &#x865A;&#x62DF;&#x73AF;&#x5883;&#x540D;&#x79F0;
&#x4F8B; &#xFF1A;
mkvirtualenv py3_flask
</code></pre><p><img src="../assets/&#x521B;&#x5EFA;&#x865A;&#x62DF;&#x73AF;&#x5883;py3.png" alt=""></p>
</li>
</ul>
</li>
<li><p>&#x63D0;&#x793A; :</p>
<ul>
<li>&#x521B;&#x5EFA;&#x865A;&#x62DF;&#x73AF;&#x5883;&#x9700;&#x8981;&#x8054;&#x7F51;</li>
<li>&#x521B;&#x5EFA;&#x6210;&#x529F;&#x540E;, &#x4F1A;&#x81EA;&#x52A8;&#x5DE5;&#x4F5C;&#x5728;&#x8FD9;&#x4E2A;&#x865A;&#x62DF;&#x73AF;&#x5883;&#x4E0A;</li>
<li>&#x5DE5;&#x4F5C;&#x5728;&#x865A;&#x62DF;&#x73AF;&#x5883;&#x4E0A;, &#x63D0;&#x793A;&#x7B26;&#x6700;&#x524D;&#x9762;&#x4F1A;&#x51FA;&#x73B0; &#x201C;&#x865A;&#x62DF;&#x73AF;&#x5883;&#x540D;&#x79F0;&#x201D;</li>
</ul>
</li>
</ul>
<h2 id="&#x5982;&#x4F55;&#x4F7F;&#x7528;&#x865A;&#x62DF;&#x73AF;&#x5883;">&#x5982;&#x4F55;&#x4F7F;&#x7528;&#x865A;&#x62DF;&#x73AF;&#x5883;?</h2>
<ul>
<li>&#x67E5;&#x770B;&#x865A;&#x62DF;&#x73AF;&#x5883;&#x7684;&#x547D;&#x4EE4; :</li>
</ul>
<pre><code>workon &#x4E24;&#x6B21;tab&#x952E;
</code></pre><p><img src="../assets/&#x67E5;&#x770B;&#x865A;&#x62DF;&#x73AF;&#x5883;.png" alt=""></p>
<ul>
<li>&#x4F7F;&#x7528;&#x865A;&#x62DF;&#x73AF;&#x5883;&#x7684;&#x547D;&#x4EE4; :</li>
</ul>
<pre><code>workon &#x865A;&#x62DF;&#x73AF;&#x5883;&#x540D;&#x79F0;
&#x4F8B; &#xFF1A;&#x4F7F;&#x7528;python&#x7684;&#x865A;&#x62DF;&#x73AF;&#x5883;
workon py3_flask
</code></pre><p><img src="../assets/&#x4F7F;&#x7528;&#x865A;&#x62DF;&#x73AF;&#x5883;py3.png" alt=""></p>
<ul>
<li>&#x9000;&#x51FA;&#x865A;&#x62DF;&#x73AF;&#x5883;&#x7684;&#x547D;&#x4EE4; :</li>
</ul>
<pre><code>deactivate
</code></pre><p><img src="../assets/&#x9000;&#x51FA;&#x865A;&#x62DF;&#x73AF;&#x5883;.png" alt=""></p>
<ul>
<li>&#x5220;&#x9664;&#x865A;&#x62DF;&#x73AF;&#x5883;&#x7684;&#x547D;&#x4EE4; :</li>
</ul>
<pre><code>rmvirtualenv &#x865A;&#x62DF;&#x73AF;&#x5883;&#x540D;&#x79F0;

&#x4F8B; &#xFF1A;&#x5220;&#x9664;&#x865A;&#x62DF;&#x73AF;&#x5883;py3_flask

&#x5148;&#x9000;&#x51FA;&#xFF1A;deactivate
&#x518D;&#x5220;&#x9664;&#xFF1A;rmvirtualenv py3_flask
</code></pre><p><img src="../assets/&#x5220;&#x9664;&#x865A;&#x62DF;&#x73AF;&#x5883;py3.png" alt=""></p>
<h2 id="&#x5982;&#x4F55;&#x5728;&#x865A;&#x62DF;&#x73AF;&#x5883;&#x4E2D;&#x5B89;&#x88C5;&#x5DE5;&#x5177;&#x5305;">&#x5982;&#x4F55;&#x5728;&#x865A;&#x62DF;&#x73AF;&#x5883;&#x4E2D;&#x5B89;&#x88C5;&#x5DE5;&#x5177;&#x5305;?</h2>
<ul>
<li><p>&#x63D0;&#x793A; : &#x5DE5;&#x5177;&#x5305;&#x5B89;&#x88C5;&#x7684;&#x4F4D;&#x7F6E; :</p>
<ul>

</ul>
</li>
<li>python3&#x7248;&#x672C;&#x4E0B;&#xFF1A;<ul>
<li><code>~/.virtualenvs/py3_flask/lib/python3.5/site-packages</code></li>
</ul>
</li>
</ul>
</li>
<li><p>python3&#x7248;&#x672C;&#x4E0B;&#x5B89;&#x88C5;flask&#x7684;&#x5305; :</p>
</li>
</ul>
<pre><code>pip install &#x5305;&#x540D;&#x79F0;

&#x4F8B; : &#x5B89;&#x88C5;flask&#x7684;&#x5305;
pip install flask
</code></pre><p><img src="../assets/&#x5B89;&#x88C5;flask&#x5728;py3.png" alt=""></p>
<ul>
<li>&#x67E5;&#x770B;&#x865A;&#x62DF;&#x73AF;&#x5883;&#x4E2D;&#x5B89;&#x88C5;&#x7684;&#x5305; :</li>
</ul>
<pre><code>pip list
</code></pre><p><img src="../assets/&#x67E5;&#x770B;&#x865A;&#x62DF;&#x73AF;&#x5883;&#x4E0B;&#x5B89;&#x88C5;&#x7684;&#x5305;.png" alt=""></p>

                    
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